Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Dec. 29, 2023
Schedule of Intangible Asset by Major Class [Line Items]
Intangible assets, net	$ 583.7		$ 608.4
Amortization of Intangible Assets	$ 24.8	$ 133.2
Loss from continuing operations	$ (3.33)	$ (18.93)
Completed Technology
Schedule of Intangible Asset by Major Class [Line Items]
Amortizable intangible assets, gross	$ 624.6		624.6
Accumulated amortization	$ 40.9		$ 16.2